Home / 11,764.32-17,731.03-10,140.46

Finding the Fourth Proportional to 11,764.32, 17,731.03 and 10,140.46

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Solution

The fourth proportional to 11,764.32, 17,731.03 and 10,140.46 is: 15,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.32 : 17,731.03 = 10,140.46 : x
  2. Step 2: Convert to fraction form
    11,764.32/17,731.03 = 10,140.46/x
  3. Step 3: Cross multiply
    11,764.32x = 17,731.03 × 10,140.46
  4. Step 4: Simplify right side
    11,764.32x = 179,800,800.47
  5. Step 5: Solve for x
    x = 179,800,800.47/11,764.32
  6. Step 6: Final answer
    x = 15,283.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.